Wire
CVE-2021-32666
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
wire-ios is the iOS version of Wire, an open-source secure messaging app. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-20. wire-ios is the iOS version of Wire, an open-source secure messaging app. In wire-ios versions 3.8.0 and prior, a vulnerability exists that can cause a denial of service between users. If a user has an invalid assetID for their profile picture and it contains the " character, it will cause the iOS client to crash. The vulnerability is patched in wire-ios version 3.8.1. Affected products include: Wire. Version information: version 3.8.1..
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
wire-ios is the iOS version of Wire, an open-source secure messaging app. In wire-ios versions 3.8.0 and prior, a vulnerability exists that can cause a denial of service between users. If a user has an invalid assetID for their profile picture and it contains the " character, it will cause the iOS client to crash. The vulnerability is patched in wire-ios version 3.8.1.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbi
Restund is an open source NAT traversal server. Rated critical severity (CVSS 9.6), this vulnerability is remotely explo
Due to how Wire handles type information in its serialization format, malicious payloads can be passed to a deserializer
In Wire before 3.20.x, `shell.openExternal` was used without checking the URL. Rated high severity (CVSS 8.0), this vuln
Denial of service in Square Wire (the gRPC/protobuf runtime for Kotlin, Java, Swift, and Android) affects all releases b
The Wire application before 2018-03-07 for Android allows attackers to write to pathnames outside of the downloads direc
wire-webapp is the web version of Wire, an open-source messenger. Rated medium severity (CVSS 6.1), this vulnerability i
Wire-server is the backing server for the open source wire secure messaging application. Rated critical severity (CVSS 9
Wire is an open source secure messenger. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable,
wire-avs provides Audio, Visual, and Signaling (AVS) functionality sure the secure messaging software Wire. Rated high s
Wire through 3.22.3993 on Windows advertises deletion of sent messages; nonetheless, all messages can be retrieved (for
Wire is an encrypted communication and collaboration platform. Rated high severity (CVSS 8.1), this vulnerability is rem
Exploit-DB